Comcast & VPN - with NAT Router?]]

[John Kerbawy]

On Fri, Jun 15, 2001 at 01:46:14PM -0500, Brian Densmore wrote:
> Well, if you are using tunneling and encryption, I don't see how they could
> detect it unless they are decrypting packets.

IPsec VPNs don't use just TCP and UDP. ESP and AH are also used.
(Protocols 50 and 51.) If they sniff for either of those protocols and
find anything, they know IPsec is going on, whether or not they can
read the contents inside, which they can't.

-- 
       John Kerbawy | All are lunatics, but he who can analyze his
 john at maKintosh.com | delusions is called a philosopher.
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